63437140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243989}}^1$

素因数の和:244011

約数の個数: 24

約数和(自身を含む): 143466120

約数和(自身を除く): 80028980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 243989, 487978, 975956, 1219945, 2439890, 3171857, 4879780, 6343714, 12687428, 15859285, 31718570, 63437140]

約数ペア:

[(1, 63437140), (2, 31718570), (4, 15859285), (5, 12687428), (10, 6343714), (13, 4879780), (20, 3171857), (26, 2439890), (52, 1219945), (65, 975956), (130, 487978), (260, 243989)]